gh-59705: Fix solaris detection in test_set_name #147486

Job	Run time
Change detection / Create context from changed files	10s
Check if generated files are up to date	4m 21s
Check if Autoconf files are up to date	22s
Docs	0s
Address sanitizer (ubuntu-24.04)	10m 19s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.0.15)	3m 47s
Windows MSI${{ '' }}	0s
Cross build Linux	4m 6s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.1.7)	2m 28s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.2.3)	2m 38s
Hypothesis tests on Ubuntu	7m 42s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.3.2)	2m 34s
Ubuntu SSL tests with OpenSSL (ubuntu-24.04, 3.4.0)	3m 23s
CIFuzz	0s
WASI / build and test	4m 17s
macOS (free-threading) / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	4m 13s
macOS / build and test (ghcr.io/cirruslabs/macos-runner:sonoma)	3m 55s
macOS / build and test (macos-13)	15m 45s
Ubuntu / build and test (ubuntu-24.04)	11m 12s
Ubuntu / build and test (ubuntu-24.04-arm)	10m 59s
Ubuntu (free-threading) / build and test (ubuntu-24.04)	14m 5s
Ubuntu (free-threading) / build and test (ubuntu-24.04-arm)	9m 53s
Ubuntu (bolt) / build and test (ubuntu-24.04)	14m 20s
Windows / build (arm64)	3m 17s
Windows (free-threading) / build (arm64)	3m 16s
Windows / build and test (Win32)	17m 54s
Thread sanitizer / Thread sanitizer	6m 45s
Thread sanitizer (free-threading) / Thread sanitizer	10m 27s
Windows / build and test (x64)	17m 41s
Windows (free-threading) / build and test (x64)	23m 31s
All required checks pass	3s
	3h 33m 23s

Provide feedback